Two big announcements have been made public today:

Sun Microsystems, Inc. (NASDAQ: JAVA) today announced it has entered into a definitive agreement to acquire MySQL AB, an open source icon and developer of one of the world’s fastest growing open source databases for approximately $1 billion in total consideration. The acquisition accelerates Sun’s position in enterprise IT to now include the $15 billion database market. Today’s announcement reaffirms Sun’s position as the leading provider of platforms for the Web economy and its role as the largest commercial open source contributor.

Oracle Corporation (Nasdaq: ORCL) and BEA Systems (Nasdaq: BEAS) announced today they have entered into a definitive agreement under which Oracle will acquire all outstanding shares of BEA for $19.375 per share in cash. The offer is valued at approximately $8.5 billion, or $7.2 billion net of BEA’s cash on hand of $1.3 billion. “We expect this deal to be accretive to Oracle’s earnings by at least 1-2 cents on a non-GAAP basis in its first full year after closing,” said Oracle President and Chief Financial Officer Safra Catz.